80102680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{547}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 206749440

約数和(自身を除く): 126646760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 523, 547, 1046, 1094, 2092, 2188, 2615, 2735, 3661, 3829, 4184, 4376, 5230, 5470, 7322, 7658, 10460, 10940, 14644, 15316, 18305, 19145, 20920, 21880, 29288, 30632, 36610, 38290, 73220, 76580, 146440, 153160, 286081, 572162, 1144324, 1430405, 2002567, 2288648, 2860810, 4005134, 5721620, 8010268, 10012835, 11443240, 16020536, 20025670, 40051340, 80102680]

約数ペア:

[(1, 80102680), (2, 40051340), (4, 20025670), (5, 16020536), (7, 11443240), (8, 10012835), (10, 8010268), (14, 5721620), (20, 4005134), (28, 2860810), (35, 2288648), (40, 2002567), (56, 1430405), (70, 1144324), (140, 572162), (280, 286081), (523, 153160), (547, 146440), (1046, 76580), (1094, 73220), (2092, 38290), (2188, 36610), (2615, 30632), (2735, 29288), (3661, 21880), (3829, 20920), (4184, 19145), (4376, 18305), (5230, 15316), (5470, 14644), (7322, 10940), (7658, 10460)]